Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average sea temperature in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
October
Weather in October
Temperature
As October arrives, Grimstad's weather displays a minor decrease in high-temperatures, transitioning from September's moderate 15°C (59°F) to a fresh 10.5°C (50.9°F). Consistently, Grimstad reports average nighttime temperatures of 7.2°C (45°F) during October, a marginal step down from its daytime highs.Humidity
In Grimstad, the average relative humidity in October is 80%.Rainfall
The wettest months in Grimstad are October and November, with an average 65mm (2.56") of rainfall.Snowfall
May through October are months without snowfall in Grimstad, Norway.Sea temperature
In October, the average sea temperature is 12.3°C (54.1°F).Note: Being in 12.3°C (54.1°F) waters at 13°C (55.4°F) is discomforting, but anything below 10°C (50°F) can jeopardize breathing and induce cold shock, factoring in physical endurance.
Daylight
The average length of the day in October in Grimstad is 10h and 15min.On the first day of the month, sunrise is at 07:31 and sunset at 18:58 CEST. On the last day of October, in Grimstad, sunrise is at 07:39 and sunset at 16:38 CET.
Note: On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends, and the time zone changes from CEST to CET. Daylight Saving Time starts again on Sunday, 30. March 2025, at 02:00; consequently, the time zone reverts from CET to CEST.
Sunshine
In October, the average sunshine in Grimstad is 4.3h.UV index
In October, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In October, a regular UV index of 3 translates into these guidelines:
Exercise prevention - Warding off sunburn is urged. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Grimstad in October?
What is the average humidity in October in Grimstad?
What is the wettest month in Grimstad?
How much does it rain in Grimstad in October?
When it does not snow in Grimstad?
Does it snow in Grimstad in October?
What is the water temperature in October in Grimstad?
What is the average length of the day in October in Grimstad?
When are sunrise and sunset in October in Grimstad?
When does Daylight Saving Time (DST) end in October in Grimstad?
How many hours of sunshine does Grimstad have in October?
How high is the UV index in October in Grimstad?
Average temperature in October
Grimstad, Norway
- Average high temperature in October: 10.5°C
The warmest month (with the highest average high temperature) is July (19.1°C).
The month with the lowest average high temperature is February (1.6°C).
- Average low temperature in October: 7.2°C
The months with the highest average low temperature are July and August (13.2°C).
The coldest month (with the lowest average low temperature) is February (-1.6°C).
Average pressure in October
Grimstad, Norway
- Average pressure in October: 1013.2mbar
The month with the highest atmospheric pressure is April (1014.6mbar).
The month with the lowest atmospheric pressure is December (1007.8mbar).
Average wind speed in October
Grimstad, Norway
- Average wind speed in October: 20.3km/h
The windiest month (with the highest average wind speed) is November (21.5km/h).
The calmest month (with the lowest average wind speed) is June (16.1km/h).
Average humidity in October
Grimstad, Norway
- Average humidity in October: 80%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are May and June (71%).
Average rainfall in October
Grimstad, Norway
- Average rainfall in October: 65mm
The wettest months (with the highest rainfall) are October and November (65mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in October
Grimstad, Norway
- Average rainfall days in October: 16.1 days
The month with the highest number of rainy days is November (16.8 days).
The month with the least rainy days is February (8.7 days).
Average snowfall in October
Grimstad, Norway
- Average snowfall in October: 0mm
The month with the highest snowfall is January (106mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in October
Grimstad, Norway
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is January (9.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in October
Grimstad, Norway
- Average sea temperature in October: 12.3°C
The best month for swimming (with the highest average sea temperature) is August (18.2°C).
The coldest month (with the lowest average sea temperature) is March (3.4°C).
Average daylight in October /
Average sunshine in October
Grimstad, Norway
- Average daylight in October: 10h and 2min
The month with the longest days is June (Average daylight: 18h and 12min).
The month with the shortest days is December (Average daylight: 6h and 30min).
- Average sunshine in October: 4h and 2min
The month with the most sunshine is June (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in October
Grimstad, Norway
- Average sunshine days in October: 11.9 days
The month with the most sunshine days is May (18.5 days).
The month with the least sunshine days is November (7.7 days).
Average UV index in October
Grimstad, Norway
- Average UV index in October: 3
The months with the highest UV index are May, June, July, August and September (UV index 4).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in October
Grimstad, Norway
- Average cloud cover in October: 54
The month with the most cloud cover is November (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in October
Grimstad, Norway
- Average visibility in October: 9km
The months with the highest visibility are April, May, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, October, November and December (9km).
